[NotNull]

Attribute used for displaying a warning when an object reference field is null.

Support Types

Type	Example	Description
Object	GameObject, Transform, MonoBehaviour	Unity Object types
class	CustomClass	Any reference type

Parameters

Parameter Name	Arguments	Description
Format	string	Custom message format. Use {name} as placeholder for field name.
Height	float	Height of the help box in pixels.
Style	MessageStyle	Icon style of the warning message.

Examples

[NotNull]
public GameObject requiredObject;

[NotNull(Format = "{name} must be assigned!")]
public Transform requiredTransform;

[NotNull(Style = MessageStyle.Error)]
public Collider requiredCollider;